diff --git a/lights/main.go b/lights/main.go
index dd41386..b3d4f9d 100644
--- a/lights/main.go
+++ b/lights/main.go
@@ -43,9 +43,9 @@ func (cl *colorlight) apply(dst pixel.ComposeTarget, center pixel.Vec, src, nois
 	// create the light arc if not created already
 	if cl.imd == nil {
 		imd := imdraw.New(nil)
-		imd.Color(pixel.Alpha(1))
+		imd.Color = pixel.Alpha(1)
 		imd.Push(0)
-		imd.Color(pixel.Alpha(0))
+		imd.Color = pixel.Alpha(0)
 		for angle := -cl.spread / 2; angle <= cl.spread/2; angle += cl.spread / 64 {
 			imd.Push(pixel.X(1).Rotated(angle))
 		}
diff --git a/platformer/main.go b/platformer/main.go
index dab3628..09253b3 100644
--- a/platformer/main.go
+++ b/platformer/main.go
@@ -86,7 +86,7 @@ type platform struct {
 }
 
 func (p *platform) draw(imd *imdraw.IMDraw) {
-	imd.Color(p.color)
+	imd.Color = p.color
 	imd.Push(p.rect.Min, p.rect.Max)
 	imd.Rectangle(0)
 }
@@ -247,7 +247,7 @@ func (g *goal) update(dt float64) {
 
 func (g *goal) draw(imd *imdraw.IMDraw) {
 	for i := len(g.cols) - 1; i >= 0; i-- {
-		imd.Color(g.cols[i])
+		imd.Color = g.cols[i]
 		imd.Push(g.pos)
 		imd.Circle(float64(i+1)*g.radius/float64(len(g.cols)), 0)
 	}
@@ -324,7 +324,7 @@ func run() {
 
 	canvas := pixelgl.NewCanvas(pixel.R(-160/2, -120/2, 160/2, 120/2))
 	imd := imdraw.New(sheet)
-	imd.Precision(32)
+	imd.Precision = 32
 
 	camPos := pixel.V(0, 0)
 
diff --git a/xor/main.go b/xor/main.go
index a062de4..94c2c09 100644
--- a/xor/main.go
+++ b/xor/main.go
@@ -39,28 +39,28 @@ func run() {
 
 		// red circle
 		imd.Clear()
-		imd.Color(pixel.RGB(1, 0, 0))
+		imd.Color = pixel.RGB(1, 0, 0)
 		imd.Push(win.Bounds().Center() - pixel.X(offset))
 		imd.Circle(200, 0)
 		imd.Draw(canvas)
 
 		// blue circle
 		imd.Clear()
-		imd.Color(pixel.RGB(0, 0, 1))
+		imd.Color = pixel.RGB(0, 0, 1)
 		imd.Push(win.Bounds().Center() + pixel.X(offset))
 		imd.Circle(150, 0)
 		imd.Draw(canvas)
 
 		// yellow circle
 		imd.Clear()
-		imd.Color(pixel.RGB(1, 1, 0))
+		imd.Color = pixel.RGB(1, 1, 0)
 		imd.Push(win.Bounds().Center() - pixel.Y(offset))
 		imd.Circle(100, 0)
 		imd.Draw(canvas)
 
 		// magenta circle
 		imd.Clear()
-		imd.Color(pixel.RGB(1, 0, 1))
+		imd.Color=pixel.RGB(1, 0, 1)
 		imd.Push(win.Bounds().Center() + pixel.Y(offset))
 		imd.Circle(50, 0)
 		imd.Draw(canvas)